BC156-300型比长仪
MODEL BC156-300 LENGTH COMPARATOR
用于按GB751、JC313、JC453、GB/T750、JC476等国家标准的要求测定水泥试件各龄期的干缩率或膨胀率。
Conforming with GB751, JC313, JC453, GB/T750, JC476 standard to determine the drying shrinkage and the percentage of cement specimen.
主要技术参数 Main specifications:
1. 百分表或千分表最小刻度值--------------- 0.01mm divisions or 0.001mm
Dial gauge graduated in
2. 有效试验空间高度---------------------------156-300 mm
Effective height
3. 仪表测点与下支承孔同轴度-------------- 0.25 mm
Axiality